The data presented in this report clearly show that the null
hypothesis ?the presence of cattle does not influence the
quantity or quality of overland flow produced at a site? must be rejected. At the sites studied here, the presence of cattle led to
physical changes in the topsoil. These changes favoured the occurrence of overland flow and altered the natural
drainage characteristics of the soil. They persisted over
the winter period when the animals were housed.
Recovery of the soil did, however, occur when cattle were
excluded from areas over the growing season.
The effect of cattle on the quality of overland flow could
not be detected before the start of the grazing season, but
was measurable in a number of water quality parameters
after the first grazing cycle. The presence of grazing
animals led to increased concentrations of particulate N,
of dissolved and particulate organic and condensed P
fractions and of K in overland flow.
The data presented here also show that urea application
in spring was followed by enhanced levels of TDN, TON
and TA in overland flow. There is evidence to suggest that
the urea application triggered a surge in microbial activity
and thus led to an enhanced release of organic and
condensed forms of P from soil to overland flow.
This study adds to the body of knowledge on the impacts
of agricultural management practices on soil hydrology
and the quality of overland flow from agricultural land. The
findings underline the importance of interactions between
management practices, nutrients in soil and soil biology
for the release of nutrients to drainage water.
The resistance to penetration at high SM is largely affected by BD and soil texture. Developing soil-texturespecific time-consuming measurement of RP at high SM.

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Kurz, I. O'Reilly, C.   "Small Plot Study On The Impact Of Grazing Animals On Nutrient Losses to Water". Associated datasets and digitial information objects connected to this resource are available at: Secure Archive For Environmental Research Data (SAFER) managed by Environmental Protection Agency Ireland https://eparesearch.epa.ie/safer/resource?id=58e3207c-42db-102a-b1da-b128b41032cc (Last Accessed: 2024-09-19)

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SAFER-Data Display URL	https://eparesearch.epa.ie/safer/iso19115/display?isoID=16
Resource Keywords	Nutrient Stocking Nitrogen Cattle Flow
EPA/ERTDI/STRIVE Project Code	2000-LS-2.1.2
EPA/ERTDI/STRIVE Project Theme	Water Quality
Resource Availability:	Public-Open
Limitations on the use of this Resource	Usage of the data is available to all users. By downloading and using the data you are accepting the data disclaimer for the data. Please familiarise yourself with this document below. In any publication outputs please cite the original producers and owners of this data correctly using the suggested citation information.
Number of Attached Files (Publicly and Openly Available for Download):	5
Project Start Date	Sunday 3rd February 2002 (03-02-2002)
Earliest Recorded Date within any attached datasets or digital objects	Saturday 23rd March 2002 (23-03-2002)
Most Recent Recorded Date within any attached datasets or digital objects	Tuesday 27th April 2004 (27-04-2004)
Published on SAFER	Monday 23rd April 2007 (23-04-2007)
Date of Last Edit	Monday 23rd April 2007 at 12:56:37 (23-04-2007)
Datasets or Files Updated On	Monday 23rd April 2007 at 12:50:23 (23-04-2007)

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Description of Geographical Characteristics of This Project or Dataset
The small plot studies were carried out at four sites over 2 years (spring 2002 to spring 2004). Two of the study sites (Dairy Farm and Cowlands) were located at Johnstown Castle, Wexford and two at Grange, Co. Meath. Within each field site, 10 small plots wereselected randomly.The Cowlands site at Johnstown Castle was split into a lower and an upper part because of a wetness gradient. In the upper part, three N and three A plots were randomly selected. In the lower part, two N and two A plots were randomly selected. At each site, cattle had access to five of these plots and they were excluded from the other five. The N plots were fenced with electric wire. The plots to which the animals had access (A) were marked with coloured stakes driven to ground level . To ensure that no machinery drove through these plots, electric fencing posts were used to mark the A plots whenever the animals were not in the fields.

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The following is a list of projects, datasets, and resources on SAFER-Data from which users downloaded attachments from soon after downloading attachments from this resource Small Plot Study On The Impact Of Grazing Animals On Nutrient Losses to Water. You can view the full description for projects, datasets, and resources by using the links supplied.

• Towards a National Soil Database View Full Metadata Description
• Anaerobic Digestion: Decision Support Software View Full Metadata Description
• Phosphorus, Nitrogen and Suspended Sediment loss from Soil to Water from Agricultural Grassland View Full Metadata Description
• Clarianna Rver Catchment - Raw Data Collection View Full Metadata Description
• Water flow accounts for the South Eastern River Basin District (SERBD) View Full Metadata Description

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